218 lines
6.9 KiB
PHP
218 lines
6.9 KiB
PHP
<?php
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/**
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* Widget API: WP_Widget_Recent_Comments class
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*
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* @package WordPress
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* @subpackage Widgets
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* @since 4.4.0
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*/
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/**
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* Core class used to implement a Recent Comments widget.
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*
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* @since 2.8.0
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*
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* @see WP_Widget
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*/
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class WP_Widget_Recent_Comments extends WP_Widget {
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/**
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* Sets up a new Recent Comments widget instance.
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*
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* @since 2.8.0
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*/
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public function __construct() {
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$widget_ops = array(
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'classname' => 'widget_recent_comments',
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'description' => __( 'Your site’s most recent comments.' ),
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'customize_selective_refresh' => true,
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);
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parent::__construct( 'recent-comments', __( 'Recent Comments' ), $widget_ops );
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$this->alt_option_name = 'widget_recent_comments';
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if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {
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add_action( 'wp_head', array( $this, 'recent_comments_style' ) );
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}
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}
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/**
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* Outputs the default styles for the Recent Comments widget.
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*
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* @since 2.8.0
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*/
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public function recent_comments_style() {
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/**
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* Filters the Recent Comments default widget styles.
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*
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* @since 3.1.0
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*
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* @param bool $active Whether the widget is active. Default true.
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* @param string $id_base The widget ID.
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*/
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if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876.
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|| ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) ) {
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return;
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}
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$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
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printf(
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'<style%s>.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>',
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$type_attr
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);
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}
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/**
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* Outputs the content for the current Recent Comments widget instance.
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*
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* @since 2.8.0
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* @since 5.4.0 Creates a unique HTML ID for the `<ul>` element
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* if more than one instance is displayed on the page.
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*
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* @param array $args Display arguments including 'before_title', 'after_title',
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* 'before_widget', and 'after_widget'.
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* @param array $instance Settings for the current Recent Comments widget instance.
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*/
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public function widget( $args, $instance ) {
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static $first_instance = true;
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if ( ! isset( $args['widget_id'] ) ) {
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$args['widget_id'] = $this->id;
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}
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$output = '';
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$default_title = __( 'Recent Comments' );
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$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : $default_title;
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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
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$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
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$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
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if ( ! $number ) {
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$number = 5;
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}
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$comments = get_comments(
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/**
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* Filters the arguments for the Recent Comments widget.
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*
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* @since 3.4.0
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* @since 4.9.0 Added the `$instance` parameter.
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*
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* @see WP_Comment_Query::query() for information on accepted arguments.
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*
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* @param array $comment_args An array of arguments used to retrieve the recent comments.
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* @param array $instance Array of settings for the current widget.
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*/
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apply_filters(
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'widget_comments_args',
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array(
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'number' => $number,
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'status' => 'approve',
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'post_status' => 'publish',
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),
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$instance
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)
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);
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$output .= $args['before_widget'];
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if ( $title ) {
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$output .= $args['before_title'] . $title . $args['after_title'];
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}
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$recent_comments_id = ( $first_instance ) ? 'recentcomments' : "recentcomments-{$this->number}";
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$first_instance = false;
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$format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';
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/** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */
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$format = apply_filters( 'navigation_widgets_format', $format );
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if ( 'html5' === $format ) {
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// The title may be filtered: Strip out HTML and make sure the aria-label is never empty.
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$title = trim( strip_tags( $title ) );
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$aria_label = $title ? $title : $default_title;
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$output .= '<nav role="navigation" aria-label="' . esc_attr( $aria_label ) . '">';
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}
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$output .= '<ul id="' . esc_attr( $recent_comments_id ) . '">';
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if ( is_array( $comments ) && $comments ) {
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// Prime cache for associated posts. (Prime post term cache if we need it for permalinks.)
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$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
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_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
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foreach ( (array) $comments as $comment ) {
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$output .= '<li class="recentcomments">';
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$output .= sprintf(
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/* translators: Comments widget. 1: Comment author, 2: Post link. */
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_x( '%1$s on %2$s', 'widgets' ),
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'<span class="comment-author-link">' . get_comment_author_link( $comment ) . '</span>',
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'<a href="' . esc_url( get_comment_link( $comment ) ) . '">' . get_the_title( $comment->comment_post_ID ) . '</a>'
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);
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$output .= '</li>';
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}
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}
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$output .= '</ul>';
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if ( 'html5' === $format ) {
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$output .= '</nav>';
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}
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$output .= $args['after_widget'];
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echo $output;
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}
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/**
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* Handles updating settings for the current Recent Comments widget instance.
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*
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* @since 2.8.0
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*
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* @param array $new_instance New settings for this instance as input by the user via
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* WP_Widget::form().
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* @param array $old_instance Old settings for this instance.
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* @return array Updated settings to save.
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*/
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public function update( $new_instance, $old_instance ) {
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$instance = $old_instance;
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$instance['title'] = sanitize_text_field( $new_instance['title'] );
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$instance['number'] = absint( $new_instance['number'] );
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return $instance;
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}
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/**
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* Outputs the settings form for the Recent Comments widget.
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*
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* @since 2.8.0
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*
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* @param array $instance Current settings.
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*/
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public function form( $instance ) {
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$title = isset( $instance['title'] ) ? $instance['title'] : '';
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$number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
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?>
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<p>
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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of comments to show:' ); ?></label>
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<input class="tiny-text" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" step="1" min="1" value="<?php echo $number; ?>" size="3" />
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</p>
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<?php
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}
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/**
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* Flushes the Recent Comments widget cache.
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*
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* @since 2.8.0
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*
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* @deprecated 4.4.0 Fragment caching was removed in favor of split queries.
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*/
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public function flush_widget_cache() {
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_deprecated_function( __METHOD__, '4.4.0' );
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}
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}
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